Thermal diffusivity of a material

Related MCQs

• The ratio of momentum diffusivity to thermal diffusivity is the __________ number.
• Which of the following material has lest value of thermal diffusivity?
• Which of the following material has highest value of thermal diffusivity?
• A wall has two layers A and B, each made of a different material. Both the layers have the same thickness. The thermal conductivity of material of A is twice that of B. Under the thermal equilibrium the temperature difference across the wall is 30?C. The temperature drops in layers A and B will be respectively
• Thermal diffusivity is
• Thermal diffusivity of a substance is .
• Unit of thermal diffusivity is
• Thermal diffusivity of a substance is
• Thermal diffusivity is given by
• The ratio of kinematic viscosity to thermal diffusivity is called the __________ number.